1 Whitemetal castings often have flash attached to them. Remove the flash with a file and make the area to be soldered as flush as possible.
3 Half the success of good soldering comes from holding parts firmly together without burning your fingers! Here, a simple hairgrip is used.
2 White metal soldering is exactly the same as what’s already been described, except with less heat and a bit more care. Apply flux to both parts with an old paintbrush.
4 Add the solder a little at a time, drawing the soldering iron across the joint.